Home / 1,208,254.36-1,667,355.76-664,389.58

Finding the Fourth Proportional to 1,208,254.36, 1,667,355.76 and 664,389.58

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Solution

The fourth proportional to 1,208,254.36, 1,667,355.76 and 664,389.58 is: 916,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,254.36 : 1,667,355.76 = 664,389.58 : x
  2. Step 2: Convert to fraction form
    1,208,254.36/1,667,355.76 = 664,389.58/x
  3. Step 3: Cross multiply
    1,208,254.36x = 1,667,355.76 × 664,389.58
  4. Step 4: Simplify right side
    1,208,254.36x = 1,107,773,793,096.98
  5. Step 5: Solve for x
    x = 1,107,773,793,096.98/1,208,254.36
  6. Step 6: Final answer
    x = 916,838.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.